mapnik/mapnik — comment on commit 0aef7cc55a9f560fd3d0a0476437fbc9116e5ac4
File:  line 0
By artemp:

Tested with :

```
clang version 3.1 (trunk 144794)
Target: x86_64-apple-darwin11.2.0
Thread model: posix
```
and

```
i686-apple-darwin11-llvm-g++-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
```